Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
yang july » yang judy, yang jui, yang jun
hua rene » hua ren, juan rene
yang thi » dang thi, yang chik, yang di
hong hai » shang hai, zhong tai, dang hai
hong ghi » zhong zhi, hong g
yang ya » yang yao, yang yi, yang ka

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: wang yang ya hua rene ((yang thi) or (yang july)) ((hong hai) OR (hong ghi)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang ya hua rene ((yang thi) OR (yang july)) ((hong hai) OR (hong ghi)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yang ya hua rene ((yang thi) or (yang july)) ((hong hai) OR (hong ghi)) ;".
• Adding a wildcard symbol may retrieve word variants: wang yang ya hua rene ((yang thi) or (yang july)) ((hong hai) OR (hong ghi)) ;*.